diff --git a/pkgs/development/python-modules/mpi4py/default.nix b/pkgs/development/python-modules/mpi4py/default.nix
index e2028d9332b..8cd639e520c 100644
--- a/pkgs/development/python-modules/mpi4py/default.nix
+++ b/pkgs/development/python-modules/mpi4py/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "mpi4py";
-  version = "3.0.2";
+  version = "3.0.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1q28xl36difma1wq0acq111cqxjya32kn3lxp6fbidz3wg8jkmpq";
+    sha256 = "012d716c8b9ed1e513fcc4b18e5af16a8791f51e6d1716baccf988ad355c5a1f";
   };
 
   passthru = {